It should be C but im not sure.
Answer:
All scientists use carefully controlled experiments to determine the relationship between the test variable (independent variable) and outcome variable (dependent variable).
D, this is true because it does not state how many heartbeats you multiply by and there is defenitly no multiplying anyway
Answer:
네, 저는 이 쇼를 좋아합니다. 내 즐겨 찾기!!!!!!!!!